SPM Biology 2023 Selangor Trial Modul Pintas Kertas 1 – 40 Questions with Answers

1

What is the correct step after forming a hypothesis?

A Collecting data B Identifying problems C Controlling variables D Planning scientific investigation

2

Diagram 1 shows several cells that form a tissue. Which of the following is the correct match about the tissue and its importance? | | Type of tissue | Importance | |---|---|---| | A | Muscle tissue | Involve in voluntary movement | | B | Nerve tissue | Coordinate body activity | | C | Epithelial tissue | Covers the hollow surface | | D | Connective tissue | Involve in transport of substances |

A Muscle tissue – Involve in voluntary movement B Nerve tissue – Coordinate body activity C Epithelial tissue – Covers the hollow surface D Connective tissue – Involve in transport of substances

3

Table 1 shows the condition of a plant cell that is immersed in distilled water for 20 minutes and then immersed in 30% sucrose solution. Which of the following condition of the cell will be observed if the cell is immersed in distilled water for another 20 minutes?

A

B

C

D

4

Diagram 2 shows a treatment received by a boy in hospital. Which of the following is type of the solution?

A Isotonic B Hypotonic C Hypertonic

5

Which of the following characteristic of saturated fats that distinguishes them from unsaturated fats?

A Able to receive additional hydrogen atoms B Found in liquid form at room temperature C Has double bonds between carbon atoms D Contain high low-density lipoproteins (LDL)

6

Which of the following step can reduce the time taken to remove stains from clothes washed with bio detergent?

A Increase the quantity of water used B Increase the temperature of water until 40 °C C Washing clothes using dry cleaning D Reduce the concentration of bio detergent used

7

Diagram 3 shows the graph of the effects of temperature that influence the enzyme activity. Which of the following statement is correct? I Enzyme is denatured at 30 °C II More products formed at 40 °C III Three-dimensional shape of enzyme is maintained at optimum temperature IV More enzyme-substrate complex is formed at 50 °C

A I and II B I and IV C II and III D III and IV

8

Diagram 4 shows a stage during a cell division. Which of the following is the number of chromosomes in the daughter cells produced at the end of the cell division?

A 2 B 4 C 6 D 8

9

The following information is the characteristics of a child with a genetic disorder. - Slanted eyes - Mentally retarded - Stunted body growth What is the cause of this genetic disorder?

A Synapsis does not occur during prophase I B Cytokinesis does not occur during telophase II C Sister chromatid does not separate during anaphase II D Nuclear membrane does not form during telophase II

10

Lactic acid is accumulated in an athlete's muscles after taking part in 200 m sprint. Which of the following statement contributes to the situation?

A Oxygen debt in the muscle has been paid B Aerobic respiration in muscle increases C Glucose oxidation in muscle increases D Lactic acid fermentation in muscle increases

Selangor Trial 2023 Biology Kertas 1 · Modul Pintas

Selangor Trial 2023 Biology Kertas 1 · Modul Pintas

Selangor Trial 2023 Biology Kertas 1 · Modul Pintas

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